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Legal status
Patent not validated
| (51) | INT.CL. | A61K 31/35 | |
| A61K 31/357 | |||
| C07D 307/20 | |||
| C07D 493/04 | |||
| C07D 493/22 |
| (11) | Number of the document | 3413887 |
| (13) | Kind of document | T |
| (96) | European patent application number | 17750887.6 |
| Date of filing the European patent application | 2017-02-10 | |
| (97) | Date of publication of the European application | 2018-12-19 |
| (45) | Date of publication and mention of the grant of the patent | 2021-04-07 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2017/017501 |
| Date | 2017-02-10 |
| (87) | Number | WO 2017/139664 |
| Date | 2017-08-17 |
| (30) | Number | Date | Country code |
| 201662294538 P | 2016-02-12 | US |
| (72) |
BARAN, Phil, S., US
CHASE, Charles, E., US
FANG, Francis, G., US
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| (73) |
Eisai R&D Management Co., Ltd.,
6-10, Koishikawa 4-chome Bunkyo-ku, Tokyo 112-8088,
JP
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| (54) | INTERMEDIATES IN THE SYNTHESIS OF ERIBULIN AND RELATED METHODS OF SYNTHESIS |
| INTERMEDIATES IN THE SYNTHESIS OF ERIBULIN AND RELATED METHODS OF SYNTHESIS |